Problem K. 538. (February 2017)

K. 538. The number 2592 may be called ``printer safe'' because it does not cause any error to print the product \(\displaystyle 2^5\, 9^{2}\) as 2592, since the product is equal to this number. Find out in what way the number 13942125 may be considered ``printer safe'', that is, which digits could be interpreted as exponents without changing the value of the result.